所需工具库

  1. Guava
  2. commons-lang

测试所需工具库

  1. junit-jupiter-api
  2. junit-platform-commons
  3. junit-platform-launcher
  4. junit-platform-engine

常用代码片段

分割大的列表变成小的列表

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Lists.partition(bigList, splitSize);

将 String 变成 List

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public static List<String> splitStringToList(String text, String separator) {
    if (Strings.isNullOrEmpty(text)) {
        return Lists.newArrayList();
    }
    return Lists.newArrayList(text.split(separator));
}

判断是否开启了 Debug 模式

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private static final String AGENTLIB_JDWP = "-agentlib:jdwp";

public static boolean isDebugMode() {
    final RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();
    return runtimeMXBean.getInputArguments()
            .stream()
            .anyMatch(arg -> arg.contains(AGENTLIB_JDWP));
}

快乐 Guava

未完待续